1st Grade Science Quiz
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WAVES: LIGHT AND SOUND
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Read Chen's drum tests. What did the results tell us? Test 1: loud—SUCCESS. Test 2: very loud—MOSTLY WORKED. Test 3: drum in center—SUCCESS.
A
It worked only when machines were quiet, but not when loud.
B
It worked best when the drum was in the center of the room.
C
It failed because workers could not remember three fast taps.
D
It never worked, so Chen needed a different device.
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